Hello, I'm Jan and I'm happy to help you today. I'm sorry that you are experiencing this problem. Lags and stuttering in games can be caused by outdated drivers or background applications. Also, Make sure Windows is updated.
- Check if you have any available restore points. Then perform a system restore.
Use System Restore
https://support.microsoft.com//windows/use-syst...
- Try to reinstall and update these device driver graphics, audio, and chipset. Download them at the Manufacturer's support website and install them.
A. For the graphics driver -Clean all graphics drivers using DDU.
Display Driver Uninstaller
https://www.guru3d.com/files-details/display-dr...
Run the application from Safe mode.
https://support.microsoft.com//windows/start-yo...
Select Clean and restart
Once the drivers are uninstalled
Install the latest Graphics Card driver
B. If it's a "network lag/latency". Reinstall and update the network drivers.
Also, try to reset the network.
Search Network Reset
Click "Reset Now"
Restart your computer
- Disable unnecessary applications programs that are running from the startup
Try these steps
Press CTRL+ALT+Delete
Then click on Task Manager
Then Navigate to Startup Tab
( from there you can Disable unnecessary applications running from the startup)
- Perform a Clean Boot to disable unnecessary startup and services
https://support.microsoft.com//topic/how-to-per...
- If you have any third-party antivirus or cleaners installed. Fully uninstall them using their removal tool.
restart your computer
- Run "system file checker" to scan and repair corrupted system files
Open the command prompt as an administrator.
Then type in each command and press Enter.
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
restart your computer.
- This will upgrade and repair your system without losing your files and apps.
Download the Media creation tool here.
https://www.microsoft.com//software-download/wi...
Then choose "ISO"
Once it is downloaded click or open the file using the windows explorer
Then open or click "setup" to run.
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.